Did you just download a file that has a digital signature from Edwin Lau and wonder if the file is safe? If that's the case, please read on.
You will typically see Edwin Lau when clicking to run the file. The publisher name shows up as the "Verified publisher" in the UAC dialog as the screenshot shows:

You can view additional details from the Edwin Lau certificate with the following steps:
Here is a screenshot of a file that has been signed by Edwin Lau:

As you can see in the screenshot above, Windows reports that "This digital signature is OK". This means that the file has been published by Edwin Lau and that no one has tampered with the file.
If you click the View Certificate button shown in the screengrab above, you can view all the details of the certificate, such as when it was issued, who issued the certificate, how long it is valid, etc. You can also examine the address for Edwin Lau, such as the street name, city and country.
StartCom Class 2 Object CA has issued the Edwin Lau certificates. You can also view the details of the issuer by clicking the View Certificate button shown in the screenshot above.
The following are the Edwin Lau files I have collected, thanks to the FreeFixer users.Unfortunately I don't have any scan result from VirusTotal available for the Edwin Lau files at the moment. The scan results will appear here as soon as a FreeFixer user uploads a file digitally signed by Edwin Lau.
| Detection Ratio | File Name |
|---|---|
| Not available | jbatchit.exe |
The analysis has been done on certificates with the following serial numbers: